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Finding the Fourth Proportional to 61,059.40, 91,610.70 and 58,899.40

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Solution

The fourth proportional to 61,059.40, 91,610.70 and 58,899.40 is: 88,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,059.40 : 91,610.70 = 58,899.40 : x
  2. Step 2: Convert to fraction form
    61,059.40/91,610.70 = 58,899.40/x
  3. Step 3: Cross multiply
    61,059.40x = 91,610.70 × 58,899.40
  4. Step 4: Simplify right side
    61,059.40x = 5,395,815,263.58
  5. Step 5: Solve for x
    x = 5,395,815,263.58/61,059.40
  6. Step 6: Final answer
    x = 88,369.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.